propylene glycol

noun Chemistry.
a colorless, viscous, hygroscopic liquid, C 3 H 8 O, used chiefly as a lubricant, as an antifreeze, as a heat transfer fluid, and as a solvent for fats, oils, waxes, and resins.

Origin:
1880–85

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World English Dictionary
propylene glycol
 
n
Systematic name: 1,2-dihydroxypropane a colourless viscous hydroscopic sweet-tasting compound used as an antifreeze and brake fluid. Formula: CH3CH(OH)CH2OH

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
propylene glycol  
A colorless, viscous liquid used in antifreeze solutions, in hydraulic fluids, and as a solvent. Unlike ethylene glycol, it is not toxic and is also used in foods, cosmetics, and oral hygiene products. Chemical formula: C3H8O2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Propylene glycol is also used to make polyester compounds, and as a base for deicing solutions.
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